What is the average surface pressure of Earth?
about 14.7 pounds per square inch
atmosphere (atm) (atm) unit of measurement equal to air pressure at sea level, about 14.7 pounds per square inch. Also called standard atmospheric pressure.
What is the average pressure at 10000 m in Earth’s atmosphere?
Example – Air pressure at Elevation 10000 m
| Altitude Above or Below Sea Level | Absolute Atmospheric Pressure | |
|---|---|---|
| feet | metre | psia |
| 8000 | 2438 | 10.9 |
| 9000 | 2743 | 10.5 |
| 10000 | 3048 | 10.1 |
What is the average worldwide sea level pressure?
14.70 pounds per square inch
Standard sea-level pressure, by definition, equals 760 mm (29.92 inches) of mercury, 14.70 pounds per square inch, 1,013.25 × 103 dynes per square centimetre, 1,013.25 millibars, one standard atmosphere, or 101.325 kilopascals.
What is atmospheric pressure at 80 km height from Earth’s surface?
0.01 hPa
At 80 km altitude the atmospheric pressure is down to 0.01 hPa, meaning that 99.999% of the atmosphere is below that altitude.
What is the pressure on a surface?
The surface pressure (Π) is defined as the difference in interfacial tension between a clean interface and an interface in the presence of emulsifier: Π=γ0−γ. From: Advances in Colloid and Interface Science, 2016.
What is the 1 atmosphere pressure?
It corresponds to the pressure exerted by a vertical column of mercury (as in a barometer) 760 mm (29.9213 inches) high. One standard atmosphere, which is also referred to as one atmosphere, is equivalent to 101,325 pascals, or newtons of force per square metre (approximately 14.7 pounds per square inch).
What is high atmospheric pressure?
A barometric reading over 30.20 inHg is generally considered high, and high pressure is associated with clear skies and calm weather.
What is the pressure at 10 km above sea level?
Atmospheric pressure is around 1,014 millibars (14.7 pounds/inch2) at sea level. At an elevation of 10 km (6 miles or about 30,000 feet), roughly the height of Mt. Everest, pressure drops to 265 millibars. That’s less than 30% of the pressure at sea level!
Which country has highest atmospheric pressure?
The highest adjusted-to-sea level barometric pressure ever recorded on Earth (above 750 meters) was 1084.8 hPa (32.03 inHg) measured in Tosontsengel, Mongolia on 19 December 2001.
What is the pressure at mean sea level?
(atm) unit of measurement equal to air pressure at sea level, about 14.7 pounds per square inch.
What is mean sea level pressure?
MEAN SEA LEVEL PRESSURE: This is the pressure reading most commonly used by meteorologists to track weather systems at the surface. Like altimeter setting, it is a “reduced” pressure which uses observed conditions rather than “standard” conditions to remove the effects of elevation from pressure readings.
What is standard value of atmospheric pressure?
(atm) unit of measurement equal to air pressure at sea level, about 14.7 pounds per square inch. Also called standard atmospheric pressure.
How do you calculate ground pressure?
Average ground pressure can be calculated using the standard formula for average pressure: P = F/A. In an idealized case, i.e. a static, uniform net force normal to level ground, this is simply the object’s weight divided by contact area.
Where is the air pressure highest?
Air pressure is highest at the sea level.
What is the highest atmospheric pressure ever recorded?
1083.8mb
The highest barometric pressure ever recorded was 1083.8mb (32 in) at Agata, Siberia, Russia (alt. 262m or 862ft) on 31 December 1968. This pressure corresponds to being at an altitude of nearly 600 m (2,000 ft) below sea level!
What is the normal range of atmospheric pressure?
~29.6 – 30.2 inches Hg
Know what represents reasonable barometer readings Normal is 29.9; range ~29.6 – 30.2 inches Hg (752-767 mm Hg)… at SEA LEVEL!
What is the air pressure at an altitude of 5 km?
Atmospheric pressure drops as you go higher up in the atmosphere. Pressure at sea level is around a thousand millibars. Five kilometers (about 16 thousand feet) up pressure is only about half as much.